diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0460-drm-vc4-Return-EBUSY-if-there-s-already-a-pending-fl.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0460-drm-vc4-Return-EBUSY-if-there-s-already-a-pending-fl.patch | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0460-drm-vc4-Return-EBUSY-if-there-s-already-a-pending-fl.patch b/target/linux/brcm2708/patches-4.4/0460-drm-vc4-Return-EBUSY-if-there-s-already-a-pending-fl.patch deleted file mode 100644 index ae76d25097..0000000000 --- a/target/linux/brcm2708/patches-4.4/0460-drm-vc4-Return-EBUSY-if-there-s-already-a-pending-fl.patch +++ /dev/null @@ -1,44 +0,0 @@ -From 52367e61f8707fe5e22aabf3c769e27f11aa3300 Mon Sep 17 00:00:00 2001 -From: Robert Foss <robert.foss@collabora.com> -Date: Tue, 3 May 2016 13:48:20 -0400 -Subject: [PATCH] drm/vc4: Return -EBUSY if there's already a pending flip - event. - -As per the documentation in drm_crtc.h, atomic_commit should return --EBUSY if an asynchronous update is requested and there is an earlier -update pending. - -v2: Rebase on the s/async/nonblock/ change. - -Signed-off-by: Robert Foss <robert.foss@collabora.com> -Reviewed-by: Eric Anholt <eric@anholt.net> -(cherry picked from commit e7c31f6f25b84fed961dc0dce6248878527693ae) ---- - drivers/gpu/drm/vc4/vc4_kms.c | 16 ++++++++++++---- - 1 file changed, 12 insertions(+), 4 deletions(-) - ---- a/drivers/gpu/drm/vc4/vc4_kms.c -+++ b/drivers/gpu/drm/vc4/vc4_kms.c -@@ -119,10 +119,18 @@ static int vc4_atomic_commit(struct drm_ - return -ENOMEM; - - /* Make sure that any outstanding modesets have finished. */ -- ret = down_interruptible(&vc4->async_modeset); -- if (ret) { -- kfree(c); -- return ret; -+ if (nonblock) { -+ ret = down_trylock(&vc4->async_modeset); -+ if (ret) { -+ kfree(c); -+ return -EBUSY; -+ } -+ } else { -+ ret = down_interruptible(&vc4->async_modeset); -+ if (ret) { -+ kfree(c); -+ return ret; -+ } - } - - ret = drm_atomic_helper_prepare_planes(dev, state); |